(19)
(11) EP 3 309 920 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
30.05.2018 Bulletin 2018/22

(43) Date of publication A2:
18.04.2018 Bulletin 2018/16

(21) Application number: 17193872.3

(22) Date of filing: 28.09.2017
(51) International Patent Classification (IPC): 
H02J 1/10(2006.01)
H02J 7/00(2006.01)
 H02J 7/34(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 14.10.2016 CN 201610895643

(71) Applicant: Contemporary Amperex Technology Co., Limited
Jiaocheng District Ningde City Fujian 352100 (CN)

(72) Inventors:
  • WEI, Zhili
    Ningde City, Fujian 352100 (CN)
  • HU, Zhipeng
    Ningde City, Fujian 352100 (CN)

(74) Representative: Boult Wade Tennant 
Verulam Gardens 70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) METHOD FOR HOT-PLUGGING, CONTROL DEVICE FOR HOT-PLUGGING, METHOD AND DEVICE FOR VOLTAGE BALANCE


(57) The embodiments of the present invention provide a method for hot-plugging, a control device for hot-plugging, and a method and device for voltage balance. In one aspect, in an embodiment of the present invention, when there is a battery unit to be replaced in a plurality of parallel battery units, a branch in which the battery unit to be replaced locates may be cut off. Therefore, the technical solution provided by the embodiments of the present invention may solve a contradictory problem between the replacement of the battery unit and the normal operation of the power supply system in the related art and a problem caused thereby that the safety and stability of the power supply system are low.







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